212001112122110 has 16 divisors (see below), whose sum is σ = 381992587304976. Its totient is φ = 84713648074368.

The previous prime is 212001112122101. The next prime is 212001112122167. The reversal of 212001112122110 is 11221211100212.

It is a super-2 number, since 2×212001112122110² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10849586552 + ... + 10849606091.

It is an arithmetic number, because the mean of its divisors is an integer number (23874536706561).

Almost surely, 2^{212001112122110} is an apocalyptic number.

212001112122110 is a deficient number, since it is larger than the sum of its proper divisors (169991475182866).

212001112122110 is a wasteful number, since it uses less digits than its factorization.

212001112122110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21699193627.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 212001112122110 its reverse (11221211100212), we get a palindrome (223222323222322).

The spelling of 212001112122110 in words is "two hundred twelve trillion, one billion, one hundred twelve million, one hundred twenty-two thousand, one hundred ten".